Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 11

Waxing Gibbous 99%

19:41

04:20

03 Bad
04 Bad
05 Bad
06 Good
07 Good
08 Good
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 05:12, Set: 20:32, Transit: 12:52. Moon - Rise: 19:41, Set: 04:20. Civil Dark: 21:11 - 04:33. Nautical Dark: 22:03 - 03:41. Astro Dark: 23:13 - 02:28

Total Clouds (% Sky Obscured)

95
90
74
2
2
9
26
42
53
52
49
62
68
76
89
75
38
33
26
16
5
4
6
4

Low Clouds (% Sky Obscured)

63
45
1
1
0
9
26
42
51
48
46
39
34
41
30
16
2
1
1
13
1
0
1
1

Medium Clouds (% Sky Obscured)

39
6
0
0
0
0
0
0
0
0
0
32
36
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

65
5
3
0
0
0
0
1
2
4
3
3
6
30
45
54
28
31
15
3
4
4
6
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
0
0
0
0
0
1
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
6
5
6
9
9
9
9
9
9
9
9
9
9
8
8
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

6
5
5
5
6
8
10
10
11
12
12
13
13
13
12
11
10
9
6
5
4
3
3
2

Feels Like (°C)

3
3
3
4
5
6
7
8
8
9
8
9
9
9
8
8
7
6
4
3
2
2
1
0

Dew Point (°C)

5
4
3
4
3
2
2
2
1
1
1
1
1
3
3
2
3
3
2
1
1
1
0
-1

Relative Humidity (%)

91
90
89
93
82
67
59
56
51
48
45
43
44
50
53
52
58
67
74
78
80
83
82
81

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018

Ozone (du)

387
388
389
391
393
393
393
392
389
386
385
383
383
380
378
377
376
376
376
375
374
374
374
377

Monday 12

Full Moon 100%

20:54

04:35

03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Bad
11 Bad
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK

Sun - Rise: 05:11, Set: 20:33, Transit: 12:52. Moon - Rise: 20:54, Set: 04:35. Civil Dark: 21:13 - 04:31. Nautical Dark: 22:05 - 03:39. Astro Dark: 23:16 - 02:24

Total Clouds (% Sky Obscured)

1
0
0
0
1
0
13
44
57
40
61
64
54
53
63
50
51
37
29
31
31
32
32
42

Low Clouds (% Sky Obscured)

0
0
0
0
1
0
13
44
25
2
13
13
6
3
12
1
23
11
1
2
1
1
1
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
41
34
42
37
54
48
60
50
37
30
28
28
29
30
32
42

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
2
0
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
6
5
5
7
10
11
11
10
10
12
13
11
11
11
10
8
6
6
5
5
6
6

Chance of Frost

Temperature (°C)

1
1
2
2
5
7
9
10
11
11
12
13
12
12
12
11
10
8
6
6
5
4
3
3

Feels Like (°C)

-1
-1
-1
-1
3
5
6
6
7
8
9
9
7
8
8
7
7
6
5
4
4
3
2
1

Dew Point (°C)

-2
-2
-1
-2
-0
0
0
-0
0
1
1
2
2
2
2
2
2
2
2
2
1
1
0
0

Relative Humidity (%)

80
81
81
80
70
61
53
49
49
47
45
47
50
50
51
53
59
67
74
78
79
82
80
82

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1019
1019
1019
1019
1020
1020

Ozone (du)

379
378
379
381
383
383
385
386
388
389
390
391
390
391
392
392
391
393
394
394
392
392
391
390

Tuesday 13

Waning Gibbous 98%

22:06

04:56

03 OK
04 OK
05 Good
06 Good
07 Good
08 Good
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 OK
00 OK
01 OK
02 Good

Sun - Rise: 05:09, Set: 20:35, Transit: 12:52. Moon - Rise: 22:06, Set: 04:56. Civil Dark: 21:14 - 04:30. Nautical Dark: 22:07 - 03:37. Astro Dark: 23:20 - 02:20

Total Clouds (% Sky Obscured)

33
26
1
2
1
1
43
51
79
82
93
84
84
63
28
13
11
8
6
11
21
47
23
16

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
35
13
28
23
53
18
28
34
9
9
6
2
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

33
26
0
0
0
0
41
46
64
66
79
71
67
31
22
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
3
4
4
7
17
36
23
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
3
12
1
0
0
0
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
5
7
10
11
10
10
10
10
10
10
11
10
8
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

3
3
2
2
5
9
10
11
12
12
13
13
13
13
13
13
11
9
7
6
4
4
3
2

Feels Like (°C)

1
1
0
1
4
7
7
8
8
9
8
9
8
9
8
9
9
8
6
4
3
2
1
1

Dew Point (°C)

0
0
-1
-1
0
2
1
1
1
1
1
2
1
1
2
2
3
3
3
2
1
1
-1
-2

Relative Humidity (%)

82
83
83
79
70
60
54
50
47
46
46
47
45
44
45
48
56
65
73
76
80
80
77
77

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021

Ozone (du)

390
389
389
390
391
393
394
394
396
397
398
398
398
397
396
396
396
396
395
396
398
399
399
398

Wednesday 14

Waning Gibbous 95%

23:13

05:24

03 OK
04 Good
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:08, Set: 20:36, Transit: 12:52. Moon - Rise: 23:13, Set: 05:24. Civil Dark: 21:16 - 04:28. Nautical Dark: 22:10 - 03:35. Astro Dark: 23:24 - 02:16

Total Clouds (% Sky Obscured)

21
8
40
47
45
65
60
72
52
58
62
87
95
100
99
98
97
96
94
93
95
97
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
16
23
34
32
30
34
39
43
41
34
23
37
40
41
55

Medium Clouds (% Sky Obscured)

0
0
1
2
4
13
12
22
35
41
43
50
65
70
73
79
80
82
82
78
85
93
100
100

High Clouds (% Sky Obscured)

14
2
17
28
34
49
48
54
42
57
62
59
67
67
78
47
28
19
15
10
40
70
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
3
4
6
16
13
17
9
8
8
16
20
13
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
2
1
2
3
4
5
4
4
4
5
5
5
4
3
3
2
3
2
2
2
2

Chance of Frost

Temperature (°C)

2
2
2
4
6
8
10
12
14
15
15
16
16
16
16
15
14
13
12
11
10
9
9
9

Feels Like (°C)

1
0
1
2
5
8
8
11
12
14
15
16
15
14
14
14
13
11
10
9
8
8
8
8

Dew Point (°C)

-2
-2
-2
-1
-1
-1
-1
0
1
1
1
2
3
5
6
7
7
7
6
5
5
4
3
3

Relative Humidity (%)

77
76
76
71
60
52
48
44
40
38
37
38
41
46
53
58
62
66
66
67
68
68
66
68

Pressure (mb)

1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

397
396
394
393
393
393
393
392
392
390
390
390
390
389
387
387
387
386
387
388
389
390
391
391

Thursday 15

Waning Gibbous 93%

00:11

06:03

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 OK
02 OK

Sun - Rise: 05:07, Set: 20:37, Transit: 12:52. Moon - Rise: 00:11, Set: 06:03. Civil Dark: 21:18 - 04:27. Nautical Dark: 22:12 - 03:32. Astro Dark: 23:28 - 02:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
97
77
48
46
48
50
47
44
41
43
34
26
19
22
24
30
32

Low Clouds (% Sky Obscured)

66
85
67
52
35
40
45
46
26
7
1
13
24
38
44
41
43
34
26
19
22
24
30
32

Medium Clouds (% Sky Obscured)

100
100
100
100
100
99
68
46
44
44
43
44
45
46
34
35
36
17
9
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
72
40
20
30
11
0
0
1
2
1
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
5
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
66
95
85
67
57
41
12
13
9
0
5
8
5
26
34
36
36
33
30
28
23
7
12

Precipitation Amount (mm)

0
0.3
1
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
4
3
5
6
9
12
9
11
12
11
11
11
11
10
8
7
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

8
9
8
8
8
9
9
7
7
9
11
12
12
12
12
11
9
8
7
6
4
4
4
3

Feels Like (°C)

6
7
6
7
7
8
6
2
3
5
7
8
9
9
9
9
8
9
4
5
6
6
5
4

Dew Point (°C)

3
4
5
7
7
8
8
6
5
1
0
-1
0
0
0
1
1
2
1
1
0
1
-0
-1

Relative Humidity (%)

70
72
78
95
95
93
93
91
85
57
46
43
44
44
44
50
57
65
67
71
75
76
76
76

Pressure (mb)

1013
1013
1013
1013
1013
1013
1014
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1017
1018

Ozone (du)

391
392
391
392
394
394
394
394
394
394
390
387
386
384
382
381
380
379
380
381
382
382
381
381

Friday 16

Waning Gibbous 90%

00:56

06:55

03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 Good
02 Good

Sun - Rise: 05:05, Set: 20:39, Transit: 12:52. Moon - Rise: 00:56, Set: 06:55. Civil Dark: 21:19 - 04:25. Nautical Dark: 22:14 - 03:30. Astro Dark: 23:32 - 02:08

Total Clouds (% Sky Obscured)

31
31
36
38
40
43
46
48
47
50
50
59
65
74
80
86
91
85
79
74
50
26
1
1

Low Clouds (% Sky Obscured)

31
31
36
38
40
43
36
29
22
16
11
19
27
38
38
41
44
40
39
34
21
11
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
9
28
43
46
50
50
45
49
46
53
57
61
64
60
55
29
13
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
3
8
9
6
14
12
6
7
6
1
1
1
0
1
1
0
2
3
2
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
7
9
10
11
12
12
12
11
10
9
8
6
5
4
4
4
5
5
5
5

Chance of Frost

Temperature (°C)

3
3
3
4
6
7
9
9
11
12
12
13
14
14
14
13
13
12
11
10
9
8
6
5

Feels Like (°C)

3
2
2
2
1
-0
8
7
7
7
7
8
12
12
12
12
12
12
9
8
8
8
8
8

Dew Point (°C)

-1
-1
-1
-1
-1
-1
-1
-2
-1
-1
-1
1
2
3
4
4
5
5
5
3
3
3
3
4

Relative Humidity (%)

76
77
76
68
61
55
52
46
43
43
42
42
44
48
51
54
58
62
64
63
65
74
81
90

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

379
377
375
374
372
371
370
369
369
368
368
367
366
364
363
363
363
363
363
363
363
364
364
365

Saturday 17

Waning Gibbous 83%

01:30

08:01

Sun - Rise: 05:04, Set: 20:40, Transit: 12:52. Moon - Rise: 01:30, Set: 08:01. Civil Dark: 21:21 - 04:23. Nautical Dark: 22:16 - 03:28. Astro Dark: 23:36 - 02:04

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Proruby, Náchod District, Czech Republic (50.48,15.96)

Generated: 11/05/25 03:08:28. Forecast: 11/05/25 to 17/05/25. Timezone: UTC+2.00